``` <?php $phpsciter = new phpsciter(); $phpsciter->setOption(PHPSciter::SCITER_SET_SCRIPT_RUNTIME_FEATURES, PHPSciter::ALLOW_FILE_IO | PHPSciter::ALLOW_SOCKET_IO | PHPSciter::ALLOW_EVAL | PHPSciter::ALLOW_SYSINFO); ``` 推测两个参数 key, value (参考配置项， allow开头的应该是这个SCITER_SET_SCRIPT_RUNTIME_FEATURES的)值